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2019/sketch_190924c/gif_animation_helper.py

@@ -0,0 +1,44 @@
+"""
+Alexandre B A Villares http://abav.lugaralgum.com - GPL v3 
+
+A helper for the Processing gifAnimation library https://github.com/extrapixel/gif-animation/tree/3.0
+Download from https://github.com/villares/processing-play/blob/master/export_GIF/unzip_and_move_to_libraries_GifAnimation.zip
+This helper was inspired by an example by Art Simon https://github.com/APCSPrinciples/AnimatedGIF/
+
+v2019_09_23
+
+# add at the start of your sketch:
+  add_library('gifAnimation')
+  from gif_animation_helper import gif_export
+# add at the end of draw():
+  gif_export(GifMaker, "filename")
+"""
+
+def gif_export(GifMaker,             # gets a reference to the library
+               filename="exported",  # .gif will be added
+               repeat=0,             # 0 makes it an "endless" animation
+               quality=255,          # quality range 0 - 255
+               delay=170,            # this is quick
+               frames=0,             # 0 will stop on keyPressed or frameCount >= 100000
+               finish=False):        # force stop
+    global gifExporter
+    try:
+        gifExporter
+    except NameError:
+        gifExporter = GifMaker(this, filename + ".gif")
+        gifExporter.setRepeat(repeat)
+        gifExporter.setQuality(quality)
+        gifExporter.setDelay(delay)
+        print("gif recording started")
+
+
+    gifExporter.addFrame()
+
+    if (frames == 0 and keyPressed and key == "e" or
+        frames != 0 and frameCount >= frames):
+        finish = True
+                
+    if finish:
+        gifExporter.finish()
+        print("gif saved, exit")
+        exit()

2019/sketch_190924c/sketch_190924c.pyde

@@ -0,0 +1,19 @@
+add_library('gifAnimation')
+from gif_animation_helper import gif_export
+
+#つぶやきProcessing
+w,h=500,250
+def setup():size(w,w);noStroke();fill(0,10)
+def draw():
+ background(h/2,h,h/2);translate(h,h)
+ a,k=0,sin(frameCount/30.)
+ while a<TWO_PI:
+  i,j=sin(a),cos(a)
+  n=h*noise((abs(i)+i+j),(abs(j)+j+i),k)
+  square(n*i-n/6,n*j-n/6,n/3)
+  a+=.004
+
+ if frameCount/30. < TWO_PI:
+    gif_export(GifMaker, filename="b")
+ else:
+    gif_export(GifMaker, finish=True)

README.md

@@ -20,6 +20,21 @@ You may also support my artistic work, open teaching resources and research with
 
 ---
 
+![sketch_190924c](2019/sketch_190924c/sketch_190924c.gif)
+
+[sketch_190924c](https://github.com/villares/sketch-a-day/tree/master/2019/sketch_190924c) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+
+---
+
+![sketch_190923c](2019/sketch_190923c/sketch_190923c.gif)
+
+[sketch_190923c](https://github.com/villares/sketch-a-day/tree/master/2019/sketch_190923c) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+---
+
+![sketch_190922c](2019/sketch_190923c/sketch_190922c.gif)
+
 <blockquote class="twitter-tweet"><p lang="en" dir="ltr"><a href="https://twitter.com/hashtag/%E3%81%A4%E3%81%B6%E3%82%84%E3%81%8DProcessing?src=hash&amp;ref_src=twsrc%5Etfw">#つぶやきProcessing</a> <a href="https://twitter.com/hashtag/Python?src=hash&amp;ref_src=twsrc%5Etfw">#Python</a><br>w,h=500,250<br>def setup():size(w,w)<br>def draw():<br> background(h/2,h/2,h);translate(h,h)<br> a,k=0,sin(frameCount/30.)<br> while a&lt;TWO_PI:<br> i,j=sin(a),cos(a)<br> n=noise((abs(i)+i+j),(abs(j)+j+i),k)<br> x,y=n*h*sin(a),n*h*cos(a)<br> line(0,0,x,y)<br> a+=.004 <a href="https://t.co/ygkwh2KKxG">pic.twitter.com/ygkwh2KKxG</a></p>&mdash; Alexandre B A Villares ☂ (@villares) <a href="https://twitter.com/villares/status/1175856215030665216?ref_src=twsrc%5Etfw">September 22, 2019</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script> 
 
 [sketch_190922a](https://github.com/villares/sketch-a-day/tree/master/2019/sketch_190922a) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]